Kraken (z6) is 3.86X faster to decode than zlib, with way more compression (35% more).
Selkie gets a little more compression than zlib and is 13.35 X faster to decode.

All tests single threaded, 64-bit. (except "threadphased" which uses 2 threads to decode)

I've included Hydra at a space-speed tradeoff value between Kraken & Mermaid (sstb=300). It's a
bit subtle, perhaps you can see it best in the loglog chart (below), but Hydra here is not just interpolating between
Kraken & Mermaid performance, it's actually beating both of them in a Pareto frontier sense.

OLD :

This post was originally done with a pre-release version of Oodle 2.4.2 when we had just gotten Oodle running on the NX.
There was still a lot of work to be done to get it running really properly.